Validation of sea ice concentration
Bulletin date: 2023-12-14
Model vs. observations, sea ice class contingency tables
Date: 2023-12-08:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65312 |
22734 |
2000 |
446 |
81 |
61 |
8 |
0 |
| OW |
0 |
802 |
1170 |
924 |
233 |
101 |
20 |
0 |
| VODI |
0 |
189 |
768 |
1029 |
712 |
363 |
143 |
0 |
| ODI |
0 |
57 |
237 |
583 |
646 |
901 |
453 |
0 |
| CDI |
0 |
63 |
202 |
440 |
537 |
1510 |
3463 |
47 |
| VCDI |
0 |
70 |
68 |
202 |
312 |
2173 |
33207 |
16201 |
|
...date precedes bulletin
|
Date: 2023-12-12:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62807 |
23244 |
2033 |
418 |
107 |
17 |
2 |
0 |
| OW |
0 |
982 |
2198 |
851 |
459 |
81 |
1 |
0 |
| VODI |
0 |
533 |
1001 |
1229 |
984 |
614 |
28 |
0 |
| ODI |
0 |
230 |
368 |
484 |
806 |
1345 |
290 |
0 |
| CDI |
0 |
76 |
476 |
495 |
701 |
2811 |
3060 |
0 |
| VCDI |
0 |
0 |
311 |
484 |
581 |
5575 |
31971 |
10815 |
|
...date precedes bulletin
|
Date: 2023-12-14:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63338 |
22730 |
1859 |
264 |
36 |
7 |
2 |
0 |
| OW |
0 |
1078 |
2276 |
722 |
120 |
63 |
16 |
0 |
| VODI |
0 |
567 |
1557 |
1507 |
621 |
294 |
88 |
0 |
| ODI |
0 |
224 |
498 |
941 |
845 |
834 |
360 |
0 |
| CDI |
0 |
125 |
632 |
912 |
1004 |
1778 |
4463 |
0 |
| VCDI |
0 |
39 |
232 |
565 |
519 |
1782 |
33816 |
11754 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63338 |
22630 |
1857 |
274 |
37 |
6 |
2 |
0 |
| OW |
0 |
1162 |
2254 |
690 |
120 |
64 |
14 |
0 |
| VODI |
0 |
582 |
1544 |
1507 |
621 |
304 |
86 |
0 |
| ODI |
0 |
256 |
557 |
1028 |
891 |
882 |
381 |
0 |
| CDI |
0 |
102 |
604 |
864 |
965 |
1708 |
4443 |
0 |
| VCDI |
0 |
31 |
238 |
548 |
511 |
1794 |
33819 |
11754 |
|
Date: 2023-12-18:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64897 |
22542 |
1240 |
180 |
5 |
6 |
0 |
0 |
| OW |
0 |
2166 |
1816 |
776 |
80 |
15 |
1 |
0 |
| VODI |
0 |
446 |
1365 |
2000 |
666 |
245 |
91 |
0 |
| ODI |
0 |
117 |
254 |
1059 |
839 |
1095 |
573 |
8 |
| CDI |
0 |
201 |
239 |
1145 |
1103 |
1984 |
4042 |
77 |
| VCDI |
0 |
32 |
86 |
317 |
554 |
2398 |
23903 |
19905 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64897 |
21582 |
1166 |
217 |
5 |
7 |
0 |
0 |
| OW |
0 |
1983 |
934 |
520 |
106 |
44 |
21 |
0 |
| VODI |
0 |
1075 |
1204 |
1052 |
582 |
655 |
222 |
0 |
| ODI |
0 |
368 |
867 |
1353 |
714 |
925 |
751 |
9 |
| CDI |
0 |
352 |
601 |
1610 |
1051 |
1541 |
3556 |
79 |
| VCDI |
0 |
144 |
228 |
725 |
789 |
2571 |
24060 |
19902 |
|
Date: 2023-12-20:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63500 |
23570 |
1110 |
302 |
23 |
1 |
0 |
0 |
| OW |
0 |
1560 |
1485 |
893 |
128 |
44 |
1 |
0 |
| VODI |
0 |
348 |
1101 |
1677 |
690 |
464 |
108 |
0 |
| ODI |
0 |
54 |
434 |
1229 |
1072 |
1292 |
779 |
2 |
| CDI |
0 |
23 |
225 |
797 |
1067 |
1963 |
3777 |
47 |
| VCDI |
0 |
1 |
99 |
501 |
656 |
1949 |
29670 |
15826 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63500 |
22078 |
928 |
325 |
17 |
1 |
0 |
0 |
| OW |
0 |
1966 |
917 |
637 |
93 |
19 |
0 |
0 |
| VODI |
0 |
1031 |
1067 |
1236 |
416 |
407 |
107 |
0 |
| ODI |
0 |
265 |
785 |
1318 |
1134 |
1161 |
792 |
0 |
| CDI |
0 |
154 |
506 |
1102 |
1045 |
1843 |
3387 |
28 |
| VCDI |
0 |
62 |
251 |
781 |
931 |
2282 |
30049 |
15847 |
|
Date: 2023-12-22:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60432 |
24224 |
2276 |
461 |
132 |
52 |
0 |
0 |
| OW |
0 |
875 |
1600 |
584 |
351 |
200 |
4 |
0 |
| VODI |
0 |
171 |
784 |
940 |
840 |
884 |
139 |
0 |
| ODI |
0 |
47 |
282 |
506 |
874 |
2018 |
748 |
0 |
| CDI |
0 |
8 |
144 |
355 |
934 |
3361 |
5356 |
10 |
| VCDI |
0 |
0 |
38 |
259 |
574 |
2161 |
28083 |
17761 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60432 |
23143 |
1860 |
441 |
229 |
55 |
0 |
0 |
| OW |
0 |
1480 |
1163 |
414 |
299 |
248 |
0 |
0 |
| VODI |
0 |
498 |
1159 |
731 |
667 |
631 |
41 |
0 |
| ODI |
0 |
106 |
504 |
701 |
888 |
2111 |
876 |
0 |
| CDI |
0 |
54 |
299 |
450 |
816 |
2677 |
3364 |
9 |
| VCDI |
0 |
44 |
139 |
368 |
806 |
2954 |
30049 |
17762 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICchartWebPage5.sh to. 29. feb. 17:34:53 +0000 2024 on arcval